'''Brian Todd O'Leary''' (January 27, 1940 – July 28, 2011)
was an United States|American
, and former NASA astronaut
. He was a member of the NASA Astronaut Group 6|sixth group
of astronauts selected by NASA in August 1967.
The members of this group of eleven were known as the scientist
-astronauts, intended to train for the Apollo Applications Program
— a follow-on to the Apollo program
, which was ultimately canceled.